Samsung WW7 J5 Series - Page 31







  
Switch
(MainRelay)
bC2
• ThePowerbuttonis
continuallypressed.
• Abuttonotherthanthe
Powerbuttoniscontinually
pressed.
• MainPCBrelayfault
• CheckwhethereitherthePower
switchoratactswitchiscontinually
pressed.
• CheckwhethertheservicePBA
holdingscrewsarefastenedtoo
much.Iftheyarefastenedtoo
much,loosenthemalittle.
• IfthemainPBAswitchingICon/
offerrorhasoccurred,replacethe
mainPBA.
Checkthecontactbetweenthecontrolpanelbuttons
andtheircorrespondingtactswitch.
- Theremustbeagapbetweenacontrolpanel
buttonanditscorrespondingmicroswitch.
 Otherwise,anerroroccursafterapprox.30
secondshaspassed.

Cooling CC
• WashingTemperature
sensorfault
• DescriptionofPLhazard
prevention
• Thiserroroccursifthewater
Temperatureismorethan50˚Cin
draining.Checkthetemperature.
• Ifthewatertemperatureisnormal,
thiserrorisduetoatemperature
sensorfault.Replacethewashing
heater.
 Whenreplacingthewashing
heater,takecaretopreventwater
leakage.
ChecktheresistanceontheHeater.
(Forfaultyfeatures)
CheckthevoltagesbothterminalsoftheHeater
whilewashing.
Check25.19~27.84Ωonbothterminalsandthe
voltageoftheHeater.
Door
dC
dC1
dC2
• Doorswitchfault
• MainPCBfault
• IfadCerroroccurs,checkwhether
itoccursduringtheBoilcycle.
-Ifitisdetectedthatthedooris
open,closethedoor.
• The220Visdirectlyconnected
tothedoor.Checkandrepair
thepowerwireconnectionsand
insulationstate.
• Checkthedoorswitch.Replaceif
faulty.
• CheckthemainPBAdoorsensing
circuit.Replaceiffaulty.
• CheckthedrainPumpwire
connection.
▶Type1
TheresistanceofNos.3and5oftheDOORLOCK
SWITCHmustbeapproximately1000Ω±50%.
3
5
▶Type2
TheresistanceofNo.2and3oftheDOORLOCK
SWITCHmustbeapproximately155~200Ω
(Instateofpushingslider)